LexDanaLexDanabeta
Inventor

J. Alexander Hill

Inventor
Alexandria, VA, US

Overview

2→
Patents
1991–1996
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 2 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

B62Bprimary
B62BHand-propelled vehicles, e.g. hand carts or perambulators25%
F16MFrames, casings or beds of engines, machines or apparatus, not specific to engines, machines or apparatus provided for elsewhere25%
F24HFluid heaters, e.g. water or air heaters, having heat-generating means, e.g. heat pumps, in general25%
G09FDisplaying25%
PatentTitleYear
5,486,043'Carrying case having detachable step stool'19965,022,624'Adjustable support for hot water tanks, or the like'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991Patents assigned to HILL JOE A (1)· patent assignee history
1991Based in La Jolla, CA, US· patent location history
1996Patents assigned to NOMADIC STRUCTURES INC (1)· patent assignee history
1996Based in Alexandria, VA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HILL JOE Aself11991
NOMADIC STRUCTURES INC11996
Locations
LocationPatentsSpan
Alexandria, Virginia, US11996
La Jolla, California, US11991